Quarterly report pursuant to Section 13 or 15(d)

Revenue - Revenue from contracts with customers (Details)

v3.20.1
Revenue - Revenue from contracts with customers (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Revenue  
Revenue, Product and Service [Extensible List] adap:DevelopmentAndServiceMember
Revenue $ 761
Revenue recognized in the period 761
Development revenue  
Revenue  
Revenue 761
Astellas Collaboration Agreement  
Revenue  
Amount of transaction price allocated to performance obligation that has not been recognized as revenue $ 47,300